Finding the Fourth Proportional to 3,606.93, 5,407.16 and 1,870.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606.93 : 5,407.16 = 1,870.29 : x
2. Step 2: Convert to fraction form
   3,606.93/5,407.16 = 1,870.29/x
3. Step 3: Cross multiply
   3,606.93x = 5,407.16 × 1,870.29
4. Step 4: Simplify right side
   3,606.93x = 10,112,947.92
5. Step 5: Solve for x
   x = 10,112,947.92/3,606.93
6. Step 6: Final answer
   x = 2,803.75